package wxy.studentmanage.mapper;

import org.springframework.beans.factory.annotation.Autowired;
import wxy.studentmanage.bean.Grade;

import java.util.List;

public interface GradeMapper {


    List<Grade> allGrade();



    int addGrade(Grade grade);

    int deleteGradeById(int wxy_id);

    Grade queryGradeById(int wxy_id);

    int updateGrade(Grade grade);
}
